PEPTIDE GLOSSARY

Whether you’re brand new or knee-deep in PubMed tabs, this is your one-stop vault for understanding every peptide that matters—what it does, how it works, and why it might just change your life.

No fluff. No overcomplication. Just clear, trustworthy, story-driven breakdowns that make this world feel… doable.

Peptide Directory

AOD-9604 – GH fragment that stimulates fat metabolism without IGF-1 impact

BPC-157 – Tissue and gut-repair peptide, pro-angiogenic

CJC-1295 w/ DAC – Long-acting GH secretagogue, improves sleep and repair

Dihexa – Experimental peptide enhancing neural connectivity

Epithalon – Pineal-based longevity peptide for circadian and telomere health

Follistatin 344 – Myostatin blocker, promotes muscle hypertrophy

GHK-Cu – Copper-bound peptide with gene regulatory effects (skin, inflammation)

IGF-1 LR3 – Long-acting growth mediator promoting muscle, nerve, and organ growth

KPV – Anti-inflammatory, gut-healing tripeptide

LL-37 – Antimicrobial peptide with immunomodulatory and wound healing benefits

MOTS-c – Mitochondrial signal peptide regulating metabolism and resilience

NAD+ – Metabolic coenzyme essential for DNA repair and longevity

Oxytocin (Peptide Spray) – Social bonding and mood regulation

PT-141 (Bremelanotide) – CNS-based libido and mood enhancer

Retatrutide – Triple agonist (GLP-1, GIP, glucagon) showing top-tier weight loss

Selank – GABA-regulating peptide for anxiety, performance, and focus

Semaglutide – GLP-1 analog reducing appetite and stabilizing glucose

Semax – BDNF enhancer for learning, cognition, and post-stress brain recovery

TB-500 – Synthetic thymosin beta 4 for soft tissue healing

Thymosin Alpha-1 – Immune modulator supporting T cell development

Tirzepatide – Dual GLP-1/GIP agonist with enhanced metabolic effects

Peptide Directory

Bioavailability – How much of the peptide is absorbed and utilized in the body

Carrier Volume – The amount of fluid added to the vial to dilute the peptide

Cycling – Taking peptides for a specific duration with rest periods to preserve sensitivity

Half Life – Time it takes for half of a peptide compound to be metabolized and cleared

Microdosing – Administering small amounts more frequently to minimize side effects

Reconstitution – The sterile mixing of lyophilized peptide powder with bacteriostatic or sterile water

Stacking – The combination of two or more peptides for compounded benefit

Titration – Gradual increase in peptide dose to reach therapeutic levels safely

DELIVERY METHODS

Intramuscular (IM) – Deeper injection, sometimes used for NAD+, Thymosin Alpha-1

Intranasal (IN) – Nasal sprays for cognitive and mood peptides

Oral (Tablet/Lozenge) – Stabilized formats for gut absorption or sublingual delivery

Subcutaneous (SC) – Injected under the skin, most common for GH and GLP-related peptides

Topical (TD) – Creams and serums for localized applications (skin, joints)

Transdermal Patch – Controlled-release format for skin-absorbing peptides

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